8.5Z MANCO TALON 260CC LINHAI 260 300 ROKETA MC-54 VALVES REBUILD KIT ASSEMBLY VV05 Complete Valves Springs Assembly for Manco Talon 250/260cc Linhai 260 300 Roketa MC-54 MEASUREMENTS Approximately INTAKE OAL 93.80 mm INTAKE DIA 34 mm EXHAUST OAL 92.60 mm EXHAUST DIA 28.6 mm PLEASE CHECK DISCRIPTION BEFORE THE PURCHASE